US20130036732A1 - Rotary type stirling engine for green growth - Google Patents

Rotary type stirling engine for green growth Download PDF

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Publication number
US20130036732A1
US20130036732A1 US13/521,682 US201013521682A US2013036732A1 US 20130036732 A1 US20130036732 A1 US 20130036732A1 US 201013521682 A US201013521682 A US 201013521682A US 2013036732 A1 US2013036732 A1 US 2013036732A1
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Prior art keywords
housing
rotor
stirling engine
baffle
transfer medium
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Abandoned
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US13/521,682
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English (en)
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Gook Sun Shin
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
    • F01C1/344—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/06—Heating; Cooling; Heat insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Definitions

  • the present invention relates to a rotary type Stirling engine for green growth, and more particularly, to such a rotary type Stirling engine for green growth, which can be positively utilized in a renewable energy application field by improving a conventional Stirling engine in which power is produced using a change in the pressure of a heat transfer medium occurring by continuously performing a periodic heating and cooling in a state in which the heat transfer medium is stored in a sealed inner space.
  • Such a Stirling engine is disclosed in Korean Patent Laid-Open Publication No. 10-2002-0016696 entitled “Method of Controlling Power Output of a Stirling Engine”, Korean Patent Registration No. 10-0699400 entitled “Folded Guide Link Stirling Engine”, Korean Patent Registration No. 10-0743954 entitled “Stirling Engine”, and Korean Patent Laid-Open Publication No. 10-2006-0111553 entitled “Stirling Engine Assembly”.
  • the Stirling engine is a heat regenerative external combustion engine which basically includes a displacer and a piston accommodated in a cylinder, and is configured such that an expansion space partitioned between a head portion of the cylinder and the displacer and a compression space partitioned between the displacer and the piston fluidically communicate with each other through a regenerator, thereby producing power by heating the working gas contained in the cylinder at the expansion space side and cooling the working gas at the compression space side.
  • U.S. Pat. No. 4,044,559 entitled “Rotary Closed Series Cycle Engine System” proposes a technology in which vanes are mounted around a drive shaft and a rotor is eccentrically disposed within a cylindrical housing, and a hot side manifold and a cool side manifold are coupled to the housing so that heated gas is introduced into the housing through the hot side manifold to rotate the rotor while forcibly pushing the vanes to cause the drive shaft engaged to the rotor to be rotated by the working gas flowing to the outside through the cool side manifold.
  • Such a Stirling engine is a technology that is proposed by applying a vane type motor as described in Korean Patent Laid-Open Publication No. 10-1998-048337 entitled “Rotary Type Internal Combustion Engine” and Korean Patent Laid-Open Publication No. 10-2005-0032151 entitled “Improvement in Internal Combustion Engine with Means of Plural Swinging Vanes”.
  • this Stirling engine encounters a problem in that a heating portion and a cooling portion are installed on the outer circumference of a housing to cause gas to flow from the heating portion to the housing to move the vanes and the gas to be discharged to the cooling portion, so that the stable flow of the gas is impossible or difficult to maintain in rotation of the drive shaft.
  • such a proposed Stirling engine has a drawback in that it is impossible to continuously provide the flow of gas allowing the pressure of gas introduced into the housing from the heating portion to act on the cooling portion.
  • the present invention has been made in order to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention is to provide a novel rotary type Stirling engine for green growth, which can effectively reduce a loss of vibration and friction that may occur by improving a conventional Stirling engine in which power is produced using a change in the pressure of a heat transfer medium occurring by continuously performing a periodic heating and cooling in a state in which the heat transfer medium is stored in a sealed inner space, thereby further increasing the utilization in a renewable energy application field.
  • another object of the present invention is to provide a novel rotary type Stirling engine for green growth, which can be relatively easily manufactured as compared to the prior art by breaking from a Stirling engine system adopting the conventional vane motor principle, can facilitate the management and maintenance of a heat transfer medium to produce power, and can increase the thermal efficiency.
  • the present invention provides a rotary type Stirling engine for green growth, in which power is produced using a change in the pressure of a heat transfer medium occurring by continuously performing a periodic heating and cooling in a state in which the heat transfer medium is stored in a sealed inner space 21 , the Stirling engine including:
  • a rotor 30 coupled to the output shaft 12 within the housing 20 ;
  • baffle 40 coupled to the outer circumference of the rotor 30 in such a manner as to be arranged equidistantly in a circumferential direction of the rotor 30 so that the inner space 21 is partitioned into a plurality of regions by the baffle to allow the heat transfer medium to be uniformly received in the regions, the baffle being coupled to the outer circumference of the rotor 30 in such a manner as to be variable with respect to the rotary center C 2 of the rotor 30 in a radial direction of the rotor 30 so that the baffle is maintained in a stat of being in close contact with the inner circumferential surface 22 of the housing 20 and the inner space 21 is partitioned into a plurality regions by the baffle 40 to cause working fluid received in one of the partitioned regions to be prevented from flowing into another partitioned region,
  • the rotor 30 may include one or more recesses 36 formed therein in such a manner as to be arranged in parallel with a radial direction of the center C 2 of the rotor 30
  • the baffle 40 includes one or more blades 42 and one or more elastic element 44 each of which is connected to each blade, each blade 42 being brought into close contact at one end thereof with the inner circumferential surface of the housing 20 and being inserted at the other end thereof into the recess 36 of the rotor so that the blade is slidingly coupled to the rotor 30 in a radial direction of the rotor, and each elastic element 44 being disposed in the recess so that an elastic force generated by the elastic element 44 acts on the blade 42 to cause the blade to be forcibly pushed and come into close contact with the inner circumferential surface 22 of the housing 20 .
  • the rotary type Stirling engine for green growth according to the present invention may further include a heat exchange division member 60 configured to divide an outer space defined on the outer circumference of the housing 20 into a heating region 61 for performing a heating operation and a cooling region 61 ′ for performing a cooling operation based on the reference central axis CL.
  • a heat exchange division member 60 configured to divide an outer space defined on the outer circumference of the housing 20 into a heating region 61 for performing a heating operation and a cooling region 61 ′ for performing a cooling operation based on the reference central axis CL.
  • the housing 20 may further include a plurality of heat radiating fins 28 and 72 extending protrudingly radially from the outer circumferential surface 24 thereof in such a manner as to be spaced apart from one another at equal intervals.
  • the rotary type Stirling engine for green growth of the present invention generates power for rotating an output shaft 12 through the expansion and contraction of the heat transfer medium sealingly received in a space partitioned by a baffle 40 within an sealed inner space 21 of the housing 20 unlike a conventional Stirling engine that produces power for rotating an output shaft (driving shaft) through circulation of a heat transfer medium.
  • the Stirling engine of the present invention can be relatively easily manufactured as compared to the prior art.
  • the management and maintenance of the heat transfer medium for generating power is facilitated.
  • the heat circulation structure is simple, the Stirling engine of the present invention can achieve higher thermal efficiency than that of the prior art.
  • the Stirling engine according to the present invention can reduce and control the compression ratio, a high precision sealing related problem can be overcome to some extent.
  • FIG. 3 is a horizontal cross-sectional view illustrating a rotary type Stirling engine for green growth, which is cut in a radial direction, according to a preferred embodiment of the present invention
  • FIG. 4 is a schematic perspective view illustrating the rotary type Stirling engine for green growth shown in FIG. 3 ;
  • FIG. 5 is a horizontal cross-sectional view illustrating a rotary type Stirling engine for green growth, which is cut in a radial direction, according to another preferred embodiment of the present invention
  • FIG. 6 is a horizontal cross-sectional view illustrating a rotary type Stirling engine for green growth, which is cut in a radial direction, according to still another preferred embodiment of the present invention.
  • FIG. 7 is a schematic perspective view of the rotary type Stirling engine for green growth shown in FIG. 6 .
  • a rotary type Stirling engine 10 for green growth includes a hollow cylindrical housing 20 , a rotor 30 , and a baffle 40 so as to produce power using a change in the pressure of a heat transfer medium occurring by continuously performing a periodic heating and cooling in a state in which the heat transfer medium is stored in a sealed inner space 21 .
  • the housing 20 has an inner circumferential surface 22 and an outer circumferential surface 24 .
  • the inner circumferential surface 22 defines the inner space 21 in the housing 20 .
  • the housing 20 includes an output shaft 12 coupled thereto so as to extend outwardly therefrom to have an eccentricity amount, ⁇ l on a reference central axis CL.
  • the output shaft is configured to allow power produced to be transferred to the outside and the housing is hermetically sealed to prevent the heat transfer medium stored in the inner space 21 from leaking to the outside.
  • the housing 20 has a substantially radially circular cross-section.
  • the rotor 30 is coupled to the output shaft 12 within the housing 20 .
  • the rotor 30 has the same rotary center C 2 as that of the output shaft 12 , so that the rotary center C 2 of the rotor 30 is deviated from a center C 1 of the housing 20 by an eccentricity amount ⁇ l.
  • Such a rotor 30 constitutes the installation structure of the baffle 40 so that when the working force of the heat transfer medium acts on the baffle 40 , it is effectively transferred to the output shaft 12 .
  • the rotor 30 includes a hub 32 coupled to the output shaft 12 to have a stable thickness around the output shaft 12 , and a plurality of bosses 34 extending protrudingly radially from the hub 32 in such a manner as to arranged in parallel with a radial direction of the rotary center C 2 of the rotor 30 .
  • each boss 34 has a recess 36 formed therein in such a manner as to be arranged in parallel with a radial direction of the rotary center C 2 of the rotor 30 so that the baffle 40 is fittingly inserted into the recess 36 in order to stably support the baffle 40 .
  • Each blade 42 is brought into close contact at one end thereof with the inner circumferential surface of the housing 20 and is inserted at the other end thereof into the recess 36 of the rotor so that the blade is slidingly coupled to the rotor 30 in a radial direction of the rotor.
  • each elastic element 44 is disposed in the recess so that an elastic force generated by the elastic element 44 acts on the blade 42 to cause the blade to be forcibly pushed and come into close contact with the inner circumferential surface 22 of the housing 20 .
  • a spring is applied as the elastic element 44 .
  • baffle 40 When it is rotated by the heat transfer medium, such a baffle 40 continues to be maintained in a state of being close contact with the inner circumferential surface 22 of the housing 20 while extending elastically in a radial direction with respect to the rotor 30 so that the heat transfer medium contained in each partitioned zone of the inner space is prevented from leaking into another partitioned zone.
  • the baffle 40 In the case where there is a great difference in the temperature of the gas, although a certain amount of gas is not filled in each partitioned space region, the baffle 40 is rotated by its irregular vibration as its force being not constant. On the other hand, in the case where there is a small difference in the temperature between one side and the other side of the housing 20 , the baffle 40 is finally stopped in rotation. Thus, a certain amount of air is filled in each partitioned space region.
  • the rotary type Stirling engine 10 for green growth is driven to produce power by a difference in the pressure of each partitioned space region according to a difference in the temperature between one side and the other side of the housing 20 based on the reference central axis CL.
  • a force of the motor is generated as a product of the difference in the pressure and an area corresponding to the eccentricity amount, ⁇ l from the inner circumferential surface 22 of the housing 20 in the space partitioned by the baffle 40 .
  • the driving force of the rotary type Stirling engine 10 for green growth can represented by a product of an area formed by the eccentricity amount, ⁇ l and the width of the inner space 21 in a lengthwise direction of the motor, and an average difference in the pressure between the left side and the right side of the reference central axis CL.
  • the torque moment is obtained by multiplying the product of the area and the average difference in the pressure by a distance from an intermediate point of the eccentricity amount, ⁇ l to the center C 2 of the rotor 30 when comparing the eccentricity amount, ⁇ l with the inner circumferential surface 22 of the housing 20
  • the force-acting area (large radius ⁇ small radius) ⁇ width of the inner space (i.e., length of the housing),
  • Torque moment (large radius ⁇ small radius) ⁇ width ⁇ average difference in the pressure between the left side and the right side of the reference central axis CL ⁇ average radius (eccentricity amount ( ⁇ l)+small radius).
  • the pressure of the expanded heat transfer medium begins to gradually decrease by the cooling operation performed at the other side of the housing 20 at the upper center portion of the inside of the housing 20 , and the heat transfer medium sealingly contained in the space S 2 partitioned as the cooling region is cooled rapidly to cause the temperature and pressure of the heat transfer medium inside the space S 1 to decrease.
  • the space S 1 partitioned as the heating region and its adjoining space, and the space S 2 partitioned as the cooling region and its adjoining space forms a single flow space to generate a pressure deviation so that the rotor 30 is continuously rotated to achieve a continuous rotation of the output shaft 12 to produce power.
  • FIG. 5 is a horizontal cross-sectional view illustrating a rotary type Stirling engine for green growth, which is cut in a radial direction, according to another preferred embodiment of the present invention
  • FIG. 6 is a horizontal cross-sectional view illustrating a rotary type Stirling engine for green growth, which is cut in a radial direction, according to still another preferred embodiment of the present invention
  • FIG. 7 is a schematic perspective view of the rotary type Stirling engine for green growth shown in FIG. 6 .
  • the rotary type Stirling engine 10 for green growth according to another preferred embodiment of the present invention further includes a heat exchange division member 60 and a heat radiating fin 28 to increase the thermal efficiency.
  • the Stirling engine 10 in this embodiment can be applied to power plant facilities employing waste heat generated from a purification facility of a petrochemical plant, waste steam generated from a thermal power station, radiation of a nuclear power plant, etc.
  • the heat exchange division member 60 consists of an outer shell 62 formed with regions 61 and 61 ′ into which fluid for heat exchange with the heat transfer medium contained in the housing 20 can be introduced, and a partition wall 64 disposed within the outer shell 62 so as to divide the outer space of the housing 20 into the left and right regions 61 and 61 ′ based on the reference central axis CL.
  • the plurality of heat radiating fins 28 extends protrudingly radially from the outer circumferential surface 24 of the housing 20 .
  • the plurality of heat radiating fins 28 is formed in parallel with one another in a lengthwise of the housing 20 such that fluid flows through the heat exchange division member 60 . That is, hot fluid flows in a lengthwise direction of the housing 20 in the left heating region 61 of the housing 20 and cold fluid flows in a lengthwise direction of the housing 20 in the right cooling region 61 ′ of the housing 20 based on the reference central axis CL.
  • the rotary type Stirling engine 10 for green growth includes a heat exchange division member 60 similarly to the Stirling engine 10 shown in FIG. 5 .
  • the heat exchange division member 60 features that it divides an outer space on the outer circumference of the housing 20 into a heating region 61 for performing a heating operation and a cooling region 61 ′ for performing a cooling operation based on the reference central axis CL so that the regions into which fluid can be introduced are not limited.
  • Such a rotary type Stirling engine 10 for green growth can be applied to a desert where scorching direct sunlight pours down and the temperature of air is relatively low, a place where radiant heat is strong and the temperature is low, and the like.
  • the heat exchange division member 60 of such a rotary type Stirling engine 10 for green growth includes a partition wall 64 disposed on the outer circumferential surface 24 of the housing 20 so as to divide the outer space of the housing 20 into a left heating region for performing a heating operation and a right cooling region 61 ′ for performing a cooling operation based on the reference central axis CL so that fluid acts on the housing 20 entirely in each region.
  • the rotary type Stirling engine for green growth according to this embodiment includes heat radiating fins 72 disposed in parallel with the reference central axis CL on the outer circumferential surface 24 of the housing 20 to increase the heat exchange efficiency.
  • the technical feature of the rotary type Stirling engine 10 for green growth according to the present invention resides in that the Stirling engine generates power for rotating an output shaft 12 through the expansion and contraction of the heat transfer medium within an sealed inner space 21 of the housing 20 unlike a conventional Stirling engine that produces power through circulation of a heat transfer medium.
  • the rotary type Stirling engine 10 for green growth allows the sealed inner space 21 of the housing 20 to be partitioned into a plurality of regions by the baffle 40 and simultaneously the heat transfer medium to be uniformly distributed to cause heating and cooling to be performed based on the reference central axis CL, so that the baffle 40 is forcibly pushed through the expansion and contraction of the heat transfer medium sealingly received within the inner space 21 of the housing 20 to produce power for rotating an output shaft 12 through the rotor 30 .
  • the rotary type Stirling engine 10 for green growth includes a hollow cylindrical housing 20 , a rotor 30 , and a baffle 40 so as to produce power using a change in the pressure of a heat transfer medium occurring by continuously performing a periodic heating and cooling in a state in which the heat transfer medium is stored in a sealed inner space 21 .
  • the rotary type Stirling engine 10 has a housing 20 specially designed to produce power for rotating the output shaft through the expansion and contraction of the heat transfer medium within the sealed inner space. That is, the housing has an inner circumferential surface 22 and an outer circumferential surface 24 .
  • the inner circumferential surface 22 defines the inner space 21 in the housing 20 .
  • the housing 20 includes an output shaft 12 coupled thereto so as to extend outwardly therefrom to have an eccentricity amount ⁇ l on a reference central axis CL. That is, the center C 2 of the rotor 30 is deviated from the center C 1 of the housing 20 by an eccentricity amount ⁇ l.
  • the housing 20 may be provided with a structure such as a bearing or the like for rotatably supporting the output shaft 12 , the rotor 20 and the baffle 40 , a structure such as a seal or the like for hermetically sealing the heat transfer medium received in the housing, and a combination of the rotatably supporting structure and the hermetically sealing structure.
  • the rotatably supporting structure and the hermetically sealing structure will be able to be implemented by selectively using a variety of kinds of techniques well known in the art depending on the need.
  • the rotor 30 is coupled to the output shaft 12 within the housing 20 . That is, the rotor 30 has the same rotary center C 2 as that of the output shaft 12 .
  • Such a rotor 30 constitutes the installation structure of the baffle 40 so that when the working force of the heat transfer medium acts on the baffle 40 , it is effectively transferred to the output shaft 12 .
  • the rotor 30 may be constructed by applying various techniques such as serration, spline, key, and the like.
  • the baffle 40 is coupled to the outer circumference of the rotor 30 in such a manner as to be arranged equidistantly in a circumferential direction of the rotor 30 so that the inner space 21 is partitioned into a plurality of regions by the baffle 40 to allow the heat transfer medium to be uniformly received in the regions.
  • the baffle 40 is coupled to the outer circumference of the rotor 30 in such a manner as to be variable with respect to the rotary center C 2 of the rotor 30 in a radial direction of the rotor 30 so that the baffle is maintained in a stat of being in close contact with the inner circumferential surface 22 of the housing 20 and the inner space 21 is partitioned into a plurality regions by the baffle 40 to cause working fluid received in one of the partitioned regions to be prevented from flowing into another partitioned region.
  • baffle 40 When it is rotated by the heat transfer medium, such a baffle 40 continues to be maintained in a state of being close contact with the inner circumferential surface 22 of the housing 20 while extending elastically in a radial direction with respect to the rotor 30 so that the heat transfer medium contained in each partitioned zone of the inner space is prevented from leaking into another partitioned zone.
  • the heat transfer medium used in the rotary type Stirling engine 10 for green growth preferably employs gas having a small molecule size such as helium, hydrogen, or the like, but may be set to various compression ratios to set a desired heat transfer medium and the number of baffles 40 depending on the need of a designer or user under the technical spirit of the present invention.
  • gas having a small molecule size such as helium, hydrogen, or the like
  • the volume ratio of the partitioned spaces is high, a difference in the pressure of the heat transfer medium is increased, so that the sealing force between the baffle 40 and the inner circumferential surface 22 of the housing 20 is decreased.
  • the volume ratio of the partitioned spaces is preferably made as small as possible, and the thermal efficiency is increased as the eccentricity amount, ⁇ l is large.
  • the rotary type Stirling engine 10 for green growth enables heating and cooling to be continuously performed on the outer circumferential surface 24 of housing 20 based on the reference central axis CL so that the heat transfer medium sealingly received in the inner space 21 of the housing 20 is expanded and contracted to forcibly push the baffle 40 to thereby produce power for rotating the output shaft 12 (in an arrow direction indicated by a doted line of FIG. 1 ) through the rotor 30 .
  • the rotary type Stirling engine 10 for green growth allows for a heating operation, i.e., a process in which one side of the housing receives heat from the outside and is expanded (see the right in FIG. 1 ) and a cooling operation, i.e., a process in which the other side of the housing loses heat to the outside (see the left in FIG. 1 ) is contracted based on the reference central axis CL within a sealed predetermined space.
  • the partitioned space where the heat transfer medium is received has a structure in which the expanded portion (i.e., heating region) and the contracted portion (i.e., cooling region) are symmetrical to each other based on the reference central axis CL, and the output shaft is in a state of being eccentric.
  • the deviation of the output shaft is performed on the contracted portion. That is, as shown in FIGS. 1 and 2 , the eccentric direction of the output shaft is positioned on the reference central axis CL passing by the contracted portion (i.e., the cooling region) where heat is lost to the outside.
  • the rotation of the output shaft 12 is performed in a direction in which the output shaft is deviated so that the output shaft is resultantly rotated from the heating region to the cooling region.
  • the rotary type Stirling engine 10 for green growth according to the present invention is very simple in structure since it does not have a construction in which the heat transfer medium is circulated.
  • the capacity of the Stirling engine can be changed by easily controlling the length of the number of the Stirling engine 10 in a lengthwise direction of the output shaft 12 depending on the need, the Stirling engine can be easily and simply applied in various environments.
  • the necessity of a piping for circulating the heat transfer medium is eliminated, so that simplicity of the device can be achieved, convenience of maintenance/repair can be improved, and the thermal efficiency can be increased.
  • the rotary type Stirling engine 10 for green growth according to the present invention can be applied to power plant facilities employing waste heat generated from a purification facility of a petrochemical plant, waste steam generated from a thermal power station, and radiation of a nuclear power plant, a desert where scorching direct sunlight pours down and the temperature of air is relatively low, a place where radiant heat is strong and the temperature is low, and the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Air-Conditioning For Vehicles (AREA)
US13/521,682 2010-01-11 2010-12-09 Rotary type stirling engine for green growth Abandoned US20130036732A1 (en)

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KR20100002251 2010-01-11
KR10-2010-0002251 2010-01-11
PCT/KR2010/008782 WO2011083920A2 (ko) 2010-01-11 2010-12-09 녹생성장을 위한 회전형 스털링 엔진

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WO2014127784A1 (en) * 2013-02-20 2014-08-28 El-Tookhy Osama Mohamed Salah El Din Ahmed Asymmetric rotatory stirling engine
CN107035566A (zh) * 2015-08-10 2017-08-11 马宏丹 球形外燃热动力机
CN108443028A (zh) * 2018-04-28 2018-08-24 何俭恒 一种旋转式斯特林发动机
CN111663974A (zh) * 2019-05-27 2020-09-15 熵零技术逻辑工程院集团股份有限公司 一种发动机
EP4198291A1 (en) 2021-12-17 2023-06-21 Aic Spólka Akcyjna A method of the flow of a working agent in a heat machine based on the stirling cycle, and a heat machine based on the stirling cycle

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WO2014127784A1 (en) * 2013-02-20 2014-08-28 El-Tookhy Osama Mohamed Salah El Din Ahmed Asymmetric rotatory stirling engine
CN107035566A (zh) * 2015-08-10 2017-08-11 马宏丹 球形外燃热动力机
CN108443028A (zh) * 2018-04-28 2018-08-24 何俭恒 一种旋转式斯特林发动机
CN111663974A (zh) * 2019-05-27 2020-09-15 熵零技术逻辑工程院集团股份有限公司 一种发动机
EP4198291A1 (en) 2021-12-17 2023-06-21 Aic Spólka Akcyjna A method of the flow of a working agent in a heat machine based on the stirling cycle, and a heat machine based on the stirling cycle

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